Lambek, Joachim <br/><br/>
Torsion theories, additive semantics and rings of quotients 
Joachim Lambek 
 - Berlin  Springer-Verlag  1971 
 - vi,94p.;26cm. 
 - Lecture notes in mathematics; 177 .
<br/><br/><label>Dewey Class. No.: </label>512  / LAM